Home / 899,649.74-1,349,544.32-300,612.98

Finding the Fourth Proportional to 899,649.74, 1,349,544.32 and 300,612.98

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Solution

The fourth proportional to 899,649.74, 1,349,544.32 and 300,612.98 is: 450,942.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,649.74 : 1,349,544.32 = 300,612.98 : x
  2. Step 2: Convert to fraction form
    899,649.74/1,349,544.32 = 300,612.98/x
  3. Step 3: Cross multiply
    899,649.74x = 1,349,544.32 × 300,612.98
  4. Step 4: Simplify right side
    899,649.74x = 405,690,531,426.49
  5. Step 5: Solve for x
    x = 405,690,531,426.49/899,649.74
  6. Step 6: Final answer
    x = 450,942.76

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.